Recent questions tagged arrays

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arrays - Does go garbage collect parts of slices?

If I implement a queue like this... package main import( "fmt" ) func PopFront(q *[]string) string { r ... collector smart enough to free them? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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arrays - C difference between *[] and **

This might be a bit of a basic question, but what is the difference between writing char * [] and ... difference between the two notations. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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arrays - How to convert a byte[] to a BufferedImage in Java?

I'm posting this thread because I have some difficulties to deal with pictures in Java. I would like to be able ... )... Could someone help me? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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800 views

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arrays - Easiest way to Rotate a List in c#

Lists say I have a list List<int> {1,2,3,4,5} Rotate means: => {2,3,4,5,1} => {3, ... not be hit by performance (reasonable performance) Thanks. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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arrays - Underscore.js groupBy multiple values

Using Underscore.js, I'm trying to group a list of items multiple times, ie Group by SIZE then for each ... } return testVal }, multiGroup); See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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arrays - Javascript: hiding prototype methods in for loop?

So lets say I've added some prototype methods to the Array class: Array.prototype.containsKey = function( ... be doing something differently? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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arrays - In Java, remove empty elements from a list of Strings

In Java, I have an ArrayList of Strings like: [,Hi, ,How,are,you] I want to remove the null and empty elements, ... like this: [Hi,How,are,you] See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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arrays - How do I iterate through each element in an n-dimensional matrix in MATLAB?

I have a problem. I need to iterate through every element in an n-dimensional matrix in MATLAB. The ... an arbitrary number of dimensions? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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arrays - Converting an int[] to byte[] in C#

I know how to do this the long way: by creating a byte array of the necessary size and using a for-loop to ... the int was bigger than an sbyte. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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arrays - PHP tree structure for categories and sub categories without looping a query

I'm trying to create a list of categories with any number of sub categories, where sub categories can also ... this tree style structure? Cheers See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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571 views

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arrays - If value is true in Column A, set Column C one higher

I'm working on a script that uses a column of checkboxes in Column A, a list of names in column B, ... checked next to the corresponding name? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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arrays - Does Javascript slice method return a shallow copy?

In a Mozilla developer translated Korean lang says 'slice method' returns a new array copied shallowly. so I tested ... Why is it shallow copy? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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793 views

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arrays - Incrementing: x++ vs x += 1

I've read that many developers use x += 1 instead of x++ for clarity. I understand that x++ can be ambiguous ... 1 when done in a large loop? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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599 views

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arrays - How do I paint multiple objetcs that move at different speeds in Java?

I am working on homework for class, and its late because I can't seem to understand the material despite all the ... repaint(); } } } } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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754 views

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arrays - Java ArrayIndexOutOfBounds Exception

Perhaps I have been looking at this for too long as I cannot find the problem, yet it should be something simple. ... + nextWord); } } Thanks! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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801 views

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arrays - In an assignment A(:) = B, the number of elements in A and B must be the same

When trying to run my code, for example for ii= 1:10 output(ii)=rand(3); end I get the error In an ... is the approach to get rid of it? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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796 views

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arrays - Javascript remove all occurrence of duplicate element, leaving the only one that is unique

I want to remove elements that occurr more than once and get the unique element. The array always has 3 ... } alert(unique_element); Thanks! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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747 views

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arrays - Java - Order of Operations - Using Two Assignment Operators in a Single Line

What are the order of operations when using two assignment operators in a single line? public static void main( ... just do that for arrays? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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702 views

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arrays - How to parse JSON in iOS App

Im getting a response from twitter in the form of a string, What I need is to send the parts where is a ... an array hopefully? Thanks a lot! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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726 views

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arrays - How to use realloc in a function in C

Building on what I learned here: Manipulating dynamic array through functions in C. void test(int data[]) { ... is just a simplified example. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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915 views

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arrays - How to split a string by new lines in Swift

I have a string that I got from a text file. Text file: Line 1 Line 2 Line 3 ... I want to convert ... a comment. See my summarized answer here See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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936 views

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arrays - java.net.URL read stream to byte[]

I'm trying to read an image from an URL (with the Java package java.net.URL) to a byte[]. "Everything ... read this post from Stack Overflow. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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948 views

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arrays - Converting JSON object to CSV format in JavaScript

I am trying to convert a JavaScript object set in to CSV format You can get the idea about my Javascript object, ... was not really useful me... See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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817 views

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arrays - Sort Object in PHP

What is an elegant way to sort objects in PHP? I would love to accomplish something similar to this. ... see anything elegant or obvious. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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737 views

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arrays - Is there a Perl shortcut to count the number of matches in a string?

Suppose I have: my $string = "one.two.three.four"; How should I play with context to get the number of times the ... . However, all I get is 1. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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716 views

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arrays - Uncaught TypeError: Object.values is not a function JavaScript

I have a simple object like the one below: var countries = { "Argentina":1, "Canada":2, "Egypt":1, }; ... do I properly use Object.values()? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

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arrays - PHP case-insensitive in_array function

Is it possible to do case-insensitive comparison when using the in_array function? So with a source array like ... in_array itself can do this. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

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arrays - Using usort in php with a class private function

ok using usort with a function is not so complicated This is what i had before in my linear code function ... method inside the usort() function See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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